[jbosstools-issues] [JBoss JIRA] Commented: (JBIDE-2674) NullPointerException when opening page editor

Maxim Areshkau (JIRA) jira-events at lists.jboss.org
Mon Oct 20 10:20:22 EDT 2008 

    [ https://jira.jboss.org/jira/browse/JBIDE-2674?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12434432#action_12434432 ] 

Maxim Areshkau commented on JBIDE-2674:
---------------------------------------

There already exists dependency from jst.jsp in vpe. If I declare dependency in jst.jsp from vpe, there will be cyclic dependency. If we will change dependency, it's caused of changes in many places of code, may be for us it's will be  necessary to create separate plugin, this big changes in code not very good now and can be a reason of many bugs. It's will be much better declare in jst.jsp extension point smth. like visualEditorImplementation and  register it's in vpe.

> NullPointerException when opening page editor
> ---------------------------------------------
>
>                 Key: JBIDE-2674
>                 URL: https://jira.jboss.org/jira/browse/JBIDE-2674
>             Project: Tools (JBoss Tools)
>          Issue Type: Bug
>          Components: Visual Page Editor
>    Affects Versions: 3.0.0.alpha
>            Reporter: ivica c
>            Assignee: Maxim Areshkau
>            Priority: Blocker
>             Fix For: 3.0.0.beta1
>
>         Attachments: log
>
>
> When I try open the page editor for an xhtml file I get this exception:
> java.lang.NullPointerException
> 	at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditor.createPagesForVPE(JSPMultiPageEditor.java:452)
> 	at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditor.createPages(JSPMultiPageEditor.java:392)
> 	at org.jboss.tools.jst.jsp.jspeditor.JSPMultiPageEditorPart.createPartControl(JSPMultiPageEditorPart.java:125)
> 	at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:661)
> 	at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:428)
> 	at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:594)
> 	at org.eclipse.ui.internal.PartPane.setVisible(PartPane.java:306)
> 	at org.eclipse.ui.internal.presentations.PresentablePart.setVisible(PresentablePart.java:180)
> 	at org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select(PresentablePartFolder.java:270)
> 	at org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select(LeftToRightTabOrder.java:65)
> 	at org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart(TabbedStackPresentation.java:473)
> 	at org.eclipse.ui.internal.PartStack.refreshPresentationSelection(PartStack.java:1256)
> 	at org.eclipse.ui.internal.PartStack.setSelection(PartStack.java:1209)
> 	at org.eclipse.ui.internal.PartStack.showPart(PartStack.java:1608)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:499)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:103)
> 	at org.eclipse.ui.internal.PartStack.add(PartStack.java:485)
> 	at org.eclipse.ui.internal.EditorStack.add(EditorStack.java:112)
> 	at org.eclipse.ui.internal.EditorSashContainer.addEditor(EditorSashContainer.java:63)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addToLayout(EditorAreaHelper.java:217)
> 	at org.eclipse.ui.internal.EditorAreaHelper.addEditor(EditorAreaHelper.java:207)
> 	at org.eclipse.ui.internal.EditorManager.createEditorTab(EditorManager.java:779)
> 	at org.eclipse.ui.internal.EditorManager.openEditorFromDescriptor(EditorManager.java:678)
> 	at org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java:639)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditorBatched(WorkbenchPage.java:2817)
> 	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:2729)
> 	at org.eclipse.ui.internal.WorkbenchPage.access$11(WorkbenchPage.java:2721)
> 	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:2673)
> 	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2668)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2652)
> 	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:2635)
> 	at org.jboss.tools.common.editor.OpenEditorWizard.execute(OpenEditorWizard.java:78)
> 	at org.jboss.tools.common.model.handlers.OpenEditorHandler.executeHandler(OpenEditorHandler.java:31)
> 	at org.jboss.tools.common.meta.action.impl.XActionImpl.executeHandler(XActionImpl.java:65)
> 	at org.jboss.tools.common.model.ui.action.XModelObjectAction.actionPerformed(XModelObjectAction.java:89)
> 	at org.jboss.tools.common.model.ui.action.XModelObjectActionInvoker.execute(XModelObjectActionInvoker.java:36)
> 	at org.jboss.tools.common.meta.action.XActionInvoker.invoke(XActionInvoker.java:53)
> 	at org.jboss.tools.common.meta.action.XActionInvoker.invoke(XActionInvoker.java:40)
> 	at org.jboss.tools.common.model.ui.select.SelectObjectWizard.openEditor(SelectObjectWizard.java:136)
> 	at org.jboss.tools.common.model.ui.select.SelectObjectWizard.execute(SelectObjectWizard.java:47)
> 	at org.jboss.tools.common.model.util.FindObjectHelper.findModelObject(FindObjectHelper.java:40)
> 	at org.jboss.tools.common.model.files.handlers.CreateFileSupport$1.run(CreateFileSupport.java:206)
> 	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
> 	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:133)
> 	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3800)
> 	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3425)
> 	at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2382)
> 	at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2346)
> 	at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2198)
> 	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:493)
> 	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
> 	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:488)
> 	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
> 	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:113)
> 	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
> 	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
> 	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> 	at java.lang.reflect.Method.invoke(Unknown Source)
> 	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
> 	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
> 	at org.eclipse.equinox.launcher.Main.run(Main.java:1236)

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